rubberband: rubberband rubberband: rubberband: Rubber Band is a software library for audio time-stretching and rubberband: pitch-shifting. It permits you to change the tempo and pitch of rubberband: an audio recording independently of one another. rubberband: Although primarily intended for use in larger application rubberband: programs, it does also include a simple command-line utility. rubberband: rubberband: rubberband: rubberband: